吉林大学学报(工学版) ›› 2016, Vol. 46 ›› Issue (3): 700-705.doi: 10.13229/j.cnki.jdxbgxb201603003

• Orginal Article • Previous Articles     Next Articles

Robustness optimization of divided steering linkage for electric vehicles based on 6σ design

SHI Tian-ze1, WANG Deng-feng1, CHEN Shu-ming1, DENG Zhao-xiang2, 3, DONG Hong-liang2, 3   

  1. 1.State Key Laboratory of Automotive Simulation and Control, Jilin University, Changchun 130022,China;
    2.China Automotive Engineering Research Institude Co.,Ltd., CAERI NVH Engineering R&D Center, Chongqing 401122, China;;
    3.China Automotive Engineering Research Institude Co.,Ltd.,State Key Laboratory of Vehicle NVH and Safety Control, Chongqing 401122, China
  • Received:2014-08-25 Online:2016-06-20 Published:2016-06-20

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Abstract: A mathematical model of divided steering linkage for electric vehicles is built and validated. Aiming at minimizing the difference between Ackerman steering angle and the practical steering angle, a robust optimization method is proposed based on theory and Monte Carlo simulation. The constraints are deduced by the characteristics of the steering linkage. The influences of uncertain factors on the optimization results are analyzed. The results demonstrate that the optimal linkage has a better Ackerman performance, and the robust design shows better reliability against the uncertain factors.

Key words: vehicle engineering, electric vehicle, divided steering linkage, mathematical model, 6σ, robust design, ackerman angle

CLC Number: 

  • U463.45
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